Fresh from the latest edition of the Guinness Book of World Records, we've selected our gadget-related favourites that should suitably amaze, astound and leave you shaking your head in sheer tech disbelief.

Earliest live Twitter from space On 21st October 2009 US astronauts Nicola Stott and Jeff Williams took part in a live "tweetup" from the International Space Station with some 35 members of the public at NASA Headquarters, Washington, USA.

Earliest USB prosthetic In May 2008 Finnish computer programmer Jerry Jalava lost part of a finger in a motorcycle accident. He made a 2 gigabyte USB memory stick prosthetic for his finger, allowing him to carry his data around with him constantly. The idea came to him when doctors, having learned of his profession, joked that he should make a "finger drive" for his hand.

Fastest computer The Jaguar supercomputer at the Oak Ridge National Laboratory, Oak Ridge, Tennessee, USA, became the world's fastest in November 2009 following an upgrade. It is capable of 1.759 petaflops (quadrillion floating point operations per second) and was built by Cray Inc.

Highest revenue generated by an entertainment product in 24 hours The highest revenue generated by an entertainment product in 24 hours is $401,690,771 (£242,424,795), achieved by Call of Duty: Modern Warfare 2 (Activision, 2009) on its launch date of 11 November 2009.

Largest hi-definition television screen The largest hi-definition television screen is a Diamond Vision High Definition LED video screen which measures 10.88m x 107.52m (35 ft 8.4 in x 352 ft 9 in), for a total surface area of 1169.82 m2 (12 591.83 ft2). It was manufactured by Mitsubishi Electric Corporation of Japan for the Meydan City Corporation, and was unveiled on 28th January 2010.

Lightest touch screen mobile (cell) phone The lightest touch screen mobile phone is the Modu-t, which weighs 55.1g (1.94 oz). It is manufactured by modu ltd. (Israel) and was launched at Mobile World Congress in Barcelona, Spain on 15th February 2010. This touch screen phone is an updated version of the original modu, which was unveiled at the Mobile World Congress in 2008, and holds the record for the lightest mobile phone. The phone measures W46.5 x L75 x T11 mm (1.83 x 2.95 x 0.43 in).

Most compact electric bike Weighing in at 10 kg (22 lb), and folding down to just 15 x 60 x 60 cm (6 x 23.5 x 23.5 in) smaller than most folding bicycles - the YikeBike is the most compact folding electric bicycle on the market. The "mini-farthing" design is based on the "penny farthing" bicycle of c.1870.

Most detailed video game character The most detailed video game character is Lara Croft in her Tomb Raider: Underworld incarnation, with a character model consisting of 32,816 rendered polygons during gameplay.

Most internet users (country) According to internetworldstats.com, as of September 2009 China had approximately 360,000,000 Internet users, around 26.9% of its total population. The USA is second with around 227,719,000 users.

Smallest MP3 player No bigger than a couple of sugar cubes, the Micro Sport MP3 player boasts a 4GB memory, full stereo sound through its two ear-buds and a rechargeable battery.

Thinnest 10x zoom digital camera Casio's 12.1-megapixel Exilim EX-H10 digital camera is, at 24.3 mm (just under 1 inch) thick, the slimmest digital camera with a x10 optical telephoto zoom. At just 164 g (5.78 oz), it is also among the lightest. It can take 100 pictures a day for 10 days without needing to be charged.